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A 49-year-old female asked:

Is a blood test b12 level of 1463 concerning? folate (folic acid) test is normal & no b12 supplements being taken. thanks.

1 doctor answer1 doctor weighed in
Dr. Krishna Kumar
Psychiatry 56 years experience
Vitamin B 12 Level: I admire you for your concern for Health. Normal values are 200 - 900 picograms per milliliter (pg/mL) Some Labs may have higher range of Normal level. High levels of vitamin B12 can occur in liver disease and some types of Leukemia, however vitamin B12 test is not usually used to diagnose these problems. See a Hematologist for examination, lab tests and other studies; and Diagnosis.

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Last updated Jul 30, 2021

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